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What is the Linux frame buffer?

April 26, 2017buffer frame linux

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What is the Linux frame buffer?

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This is answered in the file Documentation/fb/framebuffer.txt which comes with the kernel source code. To summarize: “The frame buffer device provides an abstraction for the graphics hardware. It represents the frame buffer of some video hardware and allows application software to access the graphics hardware through a well defined interface, so the software doesn’t need to know anything about the low-level (hardware register) stuff.” The frame buffer is one of the new features of the 2.2 Linux kernel.